Translate messages from websockets

Signed-off-by: Emmy D'Anello <emmy.danello@animath.fr>

draw/consumers.py

@@ -6,6 +6,7 @@ from random import randint
 from asgiref.sync import sync_to_async
 from channels.generic.websocket import AsyncJsonWebsocketConsumer
 from django.conf import settings
+from django.utils import translation
 from django.utils.translation import gettext_lazy as _
 
 from draw.models import Draw, Round, Pool, TeamDraw
@@ -70,6 +71,8 @@ class DrawConsumer(AsyncJsonWebsocketConsumer):
             .prefetch_related('draw__current_round__current_pool__current_team').aget()
 
         match content['type']:
+            case 'set_language':
+                translation.activate(content['language'])
             case 'start_draw':
                 await self.start_draw(**content)
             case 'abort':

draw/static/draw.js

@@ -515,7 +515,12 @@ document.addEventListener('DOMContentLoaded', () => {
             console.error('Chat socket closed unexpectedly')
         })
 
-        socket.addEventListener('open', e => {})
+        socket.addEventListener('open', e => {
+            socket.send(JSON.stringify({
+                'type': 'set_language',
+                'language': document.getElementsByName('language')[0].value,
+            }))
+        })
 
         let format_form = document.getElementById('format-form-' + tournament.id)
         if (format_form !== null) {